Finding the Third Proportional to 2,489,106 and 5,428,710

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489,106 : 5,428,710 = 5,428,710 : x
2. Step 2: Convert to fraction form
   2,489,106/5,428,710 = 5,428,710/x
3. Step 3: Cross multiply
   2,489,106x = 5,428,710 × 5,428,710
4. Step 4: Simplify right side
   2,489,106x = 29,470,892,264,100
5. Step 5: Solve for x
   x = 29,470,892,264,100/2,489,106
6. Step 6: Final answer
   x = 11,839,950.67